Power tool battery pack



FIG. 1 is a perspective view of a power tool battery pack according to the present invention;

FIG. 2 is a front view of the power tool battery pack of FIG. 1;

FIG. 3 is a back view of the power tool battery pack of FIG. 1;

FIG. 4 is a right side view of the power tool battery pack of FIG. 1;

FIG. 5 is a left side view of the power tool battery pack of FIG. 1;

FIG. 6 is a top view of the power tool battery pack of FIG. 1; and,

FIG. 7 is a bottom view of the power tool battery pack of FIG. 1.

The broken lines in the figures merely illustrate the environment for the power tool battery pack of the present design and therefore form no part of the claimed design. 

The ornamental design for a power tool battery pack, as shown and described. 